The waste acid from the manufacture of cation exchange resin can be successfully recovered and reused by a new washing process with dilute acid instead of traditional washing process with water.
采用稀酸套洗工艺代替传统的加水稀释洗涤工艺，成功地解决了阳离子交换树脂生产中废酸的回收利用问题。
2
The sodium is removed with cation exchange resin.
钠用阳离子交换树脂来分离。
3
Type 732 cation exchange resin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate.